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How Low Can You Go? Lower Than Ever Before

Silicon, the best-known semiconductor, is ubiquitous in electronic devices including cellphones, laptops and the electronics in cars. Now, researchers at the

A Better Pregnancy Test for Whales

It’s not easy to do pregnancy tests on whales. You can’t just ask a wild ocean animal that’s the size of a school bus to pee on a little stick. For decades, the

Universe in the Balance

Researchers at the National Institute of Standards and Technology (NIST) have found a way to link measurements made by a device integral to microchip

A New Playbook for Interference

Particles can sometimes act like waves, and photons (particles of light) are no exception. Just as waves create an interference pattern, like ripples on a pond

Tracking Lab-Grown Tissue With Light

Someday, doctors would like to grow limbs and other body tissue for soldiers who have lost arms in battle, children who need a new heart or liver, and many